[Tagging] Is tagging of fuel: assumed to be exhaustive?

[Mateusz Konieczny]

Apr 19, 2023, 22:46 by elgaard at agol.dk:

> Matija Nalis:
>
>> Hm, I do, but as it would be rather hard to prove (and such proof is not
>> paramount here), lets us just agree that it is how certain amount of
>> mappers use it (without trying to quantify it with subjective guesses).
>>
>
>
> I think it depend a lot from key to key.
>
>> I think that my point remains that:
>> - one method is clear and unambiguous ("fuel:lpg=no")
>> - one method is not clear / is ambiguous ("fuel=octane_98;diesel").
>>
>
> Yes, but only because we have no way of denoting that lpg is not being sold in the second format and that you knew that lpg was not being sold when tagging it.
>
> consider instead for example opening_hours.
>
> The wiki is not very clear about whether it is exhaustive. I.e., if you for a facility tag:
>
>  opening_hours=Mo-Fr 09:00-20:00
>
> is it open on weekends, or is it not specified?
>
For opening hours I would expect that at least normal operation is tagged
(it may be still closed during some general nationwide holidays but 
this specific case I would expect to be closed on weekends and if
open on weekends then it would tagging mistake)

Similarly
opening_hours=Mo 09:00-20:00
means that it is open only on Mondays


> If I know that it is closed on weekends, I prefer to tag it:
>
>  opening_hours=09:00-20:00; Sa-Su off
>
> to avoid ambiguity.
>
Not sure does it help much.

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